Email
Chat with tutors
Login
Ask Questions, Get Answers
Menu
X
home
ask
tuition
questions
practice
papers
mobile
tutors
pricing
X
Questions
>>
Olympiad-Math
>>
Class 10
Next similar question
Answer
Comment
Share
Q)
If
x
=
r
sin
θ
cos
ϕ
,
y
=
sin
θ
sin
ϕ
, and
z
=
r
cos
θ
,
then
(
A
)
x
2
+
y
2
+
z
2
=
r
2
(
B
)
x
2
+
y
2
−
z
2
=
r
2
(
C
)
x
2
−
y
2
+
z
2
=
r
2
(
D
)
z
2
+
y
2
−
x
2
=
r
2
Share
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
Found
1
answer. Click to login & view.
Next Similar Question >
Home
Ask
Tuition
Questions
Practice
Your payment for
is successful.
Continue
...
Please Wait